77640884

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{277}}^1\times {\mathrm{887}}^1$

素因数の和:1247

約数の個数: 24

約数和(自身を含む): 138243840

約数和(自身を除く): 60602956

約数列:

[1, 2, 4, 79, 158, 277, 316, 554, 887, 1108, 1774, 3548, 21883, 43766, 70073, 87532, 140146, 245699, 280292, 491398, 982796, 19410221, 38820442, 77640884]

約数ペア:

[(1, 77640884), (2, 38820442), (4, 19410221), (79, 982796), (158, 491398), (277, 280292), (316, 245699), (554, 140146), (887, 87532), (1108, 70073), (1774, 43766), (3548, 21883)]